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Finding the Fourth Proportional to 433,436.40, 598,129.92 and 252,203.76

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Solution

The fourth proportional to 433,436.40, 598,129.92 and 252,203.76 is: 348,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,436.40 : 598,129.92 = 252,203.76 : x
  2. Step 2: Convert to fraction form
    433,436.40/598,129.92 = 252,203.76/x
  3. Step 3: Cross multiply
    433,436.40x = 598,129.92 × 252,203.76
  4. Step 4: Simplify right side
    433,436.40x = 150,850,614,792.50
  5. Step 5: Solve for x
    x = 150,850,614,792.50/433,436.40
  6. Step 6: Final answer
    x = 348,034.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.